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Hospital-oriented quad-generation (HOQG)-A combined cooling, heating, power and gas (CCHPG) system
Xiaoyuan Chen1, Yu Chen1, Mingshun Zhang1
1School of Engineering, Sichuan Normal University, Chengdu, China.
Applied Energy
|December 26, 2022
Summary
This study introduces a hospital-focused quad-generation system using renewable energy, superconducting technology, and cryogenic liquids for reliable cooling, heating, power, and medical gas supply, enhancing hospital resilience.
Area of Science:
- Energy Systems Engineering
- Sustainable Energy
- Medical Gas Systems
Background:
- Hospitals face increased demands for energy and medical gases during crises like the COVID-19 pandemic.
- Conventional systems struggle with efficiency and reliability under overloaded conditions.
Purpose of the Study:
- To investigate a novel hospital-oriented quad-generation (HOQG) system for combined cooling, heating, power, and gas (CCHPG) production.
- To enhance hospital energy and medical gas supply resilience using renewable energy sources and advanced technologies.
Main Methods:
- Integration of local renewable energy sources (RES), high-temperature superconducting (HTS) power cables, and superconducting magnetic energy storage (SMES).
- Utilization of three cryogenic fluids (liquefied methane, oxygen, nitrogen) as backup for energy fuel and medical gases.
- Adoption of cascade energy utilization and thermally-activated energy conversion facilities.
Main Results:
- The HOQG system efficiently produces clean cooling, heating, and power for medical devices.
- It supplies essential medical gases (oxygen, nitrogen, carbon dioxide) for patient treatment.
- Cryogenic liquids offer high-capacity, secure storage and low-pollution benefits over conventional backups.
Conclusions:
- The proposed HOQG system achieves energy conservation and emission reduction during normal operation.
- It ensures sustainable energy and medical gas supply during emergencies and disasters.
- The system's low-temperature capabilities may aid vaccine delivery pathways.
Keywords:
COVID-19 pandemicCombined cooling, heating, power and gas (CCHPG)Cryogenic fluid of energy fuel and medical gasHospital-oriented quad-generation (HOQG)Superconducting power systemMore Related Videos
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